The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 27, 2012
Filed:
Dec. 20, 2005
Applicants:
Thomas C. Piotrowski, West Chicago, IL (US);
Christian A. Mutzbauer, Warrenville, IL (US);
Inventors:
Thomas C. Piotrowski, West Chicago, IL (US);
Christian A. Mutzbauer, Warrenville, IL (US);
Assignee:
The Protectoseal Company, Bensenville, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 51/16 (2006.01); B65D 90/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vacuum breaker arrangement for use with a container includes body parts holding a resilient valve member captive. The valve member includes an intermediate body part, intermediate and enlarged head and a valve part. The valve part is made of resilient material which defines an internal passageway communicating with an opening in the body parts. The valve part includes an end portion defining a slit which is closed at a first pressure and which is automatically opened at a second, reduced pressure.